package com.davidstop.model;

import java.util.HashSet;
import java.util.Set;

public class Topic {
	private Set<Item> items = new HashSet<Item>();
	public boolean addItem(Item item){
		return items.add(item);
	}
	public boolean removeItem(Item item){
		if(items.contains(item)){
			return items.remove(item);
		}
		return false;
	}
}
